Wo3-Based Glass-Crystalline Sensor for Selective Detection of Ammonia Gas

Mohamed Ataalla; Amr Mohamed; Mohamed A. Ali; Mohamed Hassan; Nagat Hamad; Ahmed Sabry Afify

doi:10.1007/978-94-024-2018-0_30

Wo₃-Based Glass-Crystalline Sensor for Selective Detection of Ammonia Gas

Mohamed Ataalla
, Amr Mohamed
, Mohamed A. Ali
, Mohamed Hassan
, Nagat Hamad
, Ahmed Sabry Afify

Physics

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

2 Scopus citations

Abstract

In this study, WO₃-based glass-crystalline material from the WO₃-ZnO-La₂O₃-Al₂O₃ system, containing high amount of tungsten oxide was synthesized by melt-quenching technique. The sol-gel technique was used to prepare the glass powder which was then dispersed in an organic solvent to make a printable ink. The latter afterwards was screen-printed as a thick film on an alumina substrate having interdigitated platinum electrodes in order to be used as a gas sensor. The fabricated material was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and thermo-gravimetric analysis (TGA). The sensitivity of the prepared sensor was noticeably high at low concentrations of NH₃ at different temperatures. Moreover, the sensing film was selective as there was no response toward both CO₂ and CH₄ at the same conditions.

Original language	English
Title of host publication	NATO Science for Peace and Security Series B
Subtitle of host publication	Physics and Biophysics
Publisher	Springer
Pages	379-387
Number of pages	9
DOIs	https://doi.org/10.1007/978-94-024-2018-0_30
State	Published - 2020

Publication series

Name	NATO Science for Peace and Security Series B: Physics and Biophysics
ISSN (Print)	1874-6500
ISSN (Electronic)	1874-6535

Keywords

Ammonia sensing
Melt-quenching
Screen printing
WO-based glass

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1007/978-94-024-2018-0_30

Cite this

Ataalla, M., Mohamed, A., Ali, M. A., Hassan, M., Hamad, N., & Afify, A. S. (2020). Wo₃-Based Glass-Crystalline Sensor for Selective Detection of Ammonia Gas. In NATO Science for Peace and Security Series B: Physics and Biophysics (pp. 379-387). (NATO Science for Peace and Security Series B: Physics and Biophysics). Springer. https://doi.org/10.1007/978-94-024-2018-0_30

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abstract = "In this study, WO3-based glass-crystalline material from the WO3-ZnO-La2O3-Al2O3 system, containing high amount of tungsten oxide was synthesized by melt-quenching technique. The sol-gel technique was used to prepare the glass powder which was then dispersed in an organic solvent to make a printable ink. The latter afterwards was screen-printed as a thick film on an alumina substrate having interdigitated platinum electrodes in order to be used as a gas sensor. The fabricated material was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and thermo-gravimetric analysis (TGA). The sensitivity of the prepared sensor was noticeably high at low concentrations of NH3 at different temperatures. Moreover, the sensing film was selective as there was no response toward both CO2 and CH4 at the same conditions.",

keywords = "Ammonia sensing, Melt-quenching, Screen printing, WO-based glass",

author = "Mohamed Ataalla and Amr Mohamed and Ali, \{Mohamed A.\} and Mohamed Hassan and Nagat Hamad and Afify, \{Ahmed Sabry\}",

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Wo₃-Based Glass-Crystalline Sensor for Selective Detection of Ammonia Gas. / Ataalla, Mohamed; Mohamed, Amr; Ali, Mohamed A. et al.
NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, 2020. p. 379-387 (NATO Science for Peace and Security Series B: Physics and Biophysics).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

TY - CHAP

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AU - Ali, Mohamed A.

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AU - Hamad, Nagat

AU - Afify, Ahmed Sabry

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AB - In this study, WO3-based glass-crystalline material from the WO3-ZnO-La2O3-Al2O3 system, containing high amount of tungsten oxide was synthesized by melt-quenching technique. The sol-gel technique was used to prepare the glass powder which was then dispersed in an organic solvent to make a printable ink. The latter afterwards was screen-printed as a thick film on an alumina substrate having interdigitated platinum electrodes in order to be used as a gas sensor. The fabricated material was characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and thermo-gravimetric analysis (TGA). The sensitivity of the prepared sensor was noticeably high at low concentrations of NH3 at different temperatures. Moreover, the sensing film was selective as there was no response toward both CO2 and CH4 at the same conditions.

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KW - Melt-quenching

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